If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
((4/3)*x-(1/3))^4 = 0
((4/3)*x-1/3)^4 = 0
(4/3*x-1/3)^4 = 0
4/3*x-1/3 = 0 // + 1/3
4/3*x = 1/3 // : 4/3
x = 1/3/4/3
x = 1/4
x in { 1/4, 1/4, 1/4, 1/4 }
| 13xy-9xy= | | 2x^5-x^4-1=0 | | 1y=0.5x | | .8x-.4(3-x)=5.4 | | x-5+x+25=180 | | xy(x+y)=x(y^2-7)+x | | 100x+35=x | | (1-v)(4v+6)=0 | | -3x+4=-6x+4 | | 1+x+2=9 | | x=log3(1/27) | | 3y+1-2y-4=12 | | m+0.15m=97.75 | | (5x10^-4)/(10x10^-2) | | -2x-7=6x-15 | | X^4-16x^3-Y^3= | | -5-4x=-2x+13 | | 16+400x=x | | (84-n)/2 | | 8x-3=47-2x | | 13/40=x/100 | | .6x+6.5=2.6 | | 5+-2(x+-4)=3(x+-62)+-1 | | 5y-1=9y-4 | | 400x-16=x | | 400x+16=x | | 5/5x^2 | | 1000x+35=x | | 12x+18=-x+5 | | 6x+by=c | | 304800/35x=x | | 1+3y+y=9 |